64778868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23369}}^1$

素因数の和:23397

約数の個数: 72

約数和(自身を含む): 204160320

約数和(自身を除く): 139381452

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 23369, 46738, 70107, 93476, 140214, 163583, 210321, 257059, 280428, 327166, 420642, 490749, 514118, 654332, 771177, 841284, 981498, 1028236, 1472247, 1542354, 1799413, 1962996, 2313531, 2944494, 3084708, 3598826, 4627062, 5398239, 5888988, 7197652, 9254124, 10796478, 16194717, 21592956, 32389434, 64778868]

約数ペア:

[(1, 64778868), (2, 32389434), (3, 21592956), (4, 16194717), (6, 10796478), (7, 9254124), (9, 7197652), (11, 5888988), (12, 5398239), (14, 4627062), (18, 3598826), (21, 3084708), (22, 2944494), (28, 2313531), (33, 1962996), (36, 1799413), (42, 1542354), (44, 1472247), (63, 1028236), (66, 981498), (77, 841284), (84, 771177), (99, 654332), (126, 514118), (132, 490749), (154, 420642), (198, 327166), (231, 280428), (252, 257059), (308, 210321), (396, 163583), (462, 140214), (693, 93476), (924, 70107), (1386, 46738), (2772, 23369)]